Propeller cage for a boat motor



FIG. 1 is a perspective view of a propeller cage for a boat motor showing my new design;

FIG. 2 is a side elevational view, the opposite side being a mirror image;

FIG. 3 is a top plan view;

FIG. 4 is an end elevational view;

FIG. 5 is an end elevational view showing the side opposite that shown in FIG. 4; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a propeller cage for a boat motor, as shown and described. 